package com.study.talk.common.config;

import com.google.common.base.Predicates;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import springfox.documentation.builders.ApiInfoBuilder;
import springfox.documentation.builders.PathSelectors;
import springfox.documentation.service.ApiInfo;
import springfox.documentation.service.ApiKey;
import springfox.documentation.service.AuthorizationScope;
import springfox.documentation.service.SecurityReference;
import springfox.documentation.spi.DocumentationType;
import springfox.documentation.spi.service.contexts.SecurityContext;
import springfox.documentation.spring.web.plugins.Docket;
import springfox.documentation.swagger2.annotations.EnableSwagger2;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

@Configuration
@EnableSwagger2
public class SwaggerConfig {


    @Value("${swagger.enabled}")
    private Boolean enabled;

    @Bean
    public Docket createRestApi() {
        return new Docket(DocumentationType.SWAGGER_2)
                .enable(enabled)
                .apiInfo(apiInfo())
                .select()
                .paths(Predicates.not(PathSelectors.regex("/error.*")))
                .build()
                .securityContexts(Collections.singletonList(securityContext()))
                // ApiKey的name需与SecurityReference的reference保持一致
                .securitySchemes(Collections.singletonList(new ApiKey("Authorization", "Authorization", "header")));
    }
    private SecurityContext securityContext() {
        return SecurityContext.builder()
                .securityReferences(defaultAuth())
                //.forPaths(PathSelectors.regex("/*.*"))
                .build();
    }

    private List<SecurityReference> defaultAuth() {
        AuthorizationScope authorizationScope
                = new AuthorizationScope("global", "accessEverything");
        AuthorizationScope[] authorizationScopes = new AuthorizationScope[1];
        authorizationScopes[0] = authorizationScope;
        return Collections.singletonList(new SecurityReference("Authorization", authorizationScopes));
    }
    private ApiInfo apiInfo() {
        return new ApiInfoBuilder()
                .title("Talk 接口文档")
                .version("1.0")
                .build();
    }

}
